EP4330963A4 - Procédé et dispositif d'injection de bruit de confort multicanal dans un signal sonore décodé - Google Patents
Procédé et dispositif d'injection de bruit de confort multicanal dans un signal sonore décodéInfo
- Publication number
- EP4330963A4 EP4330963A4 EP22794127.5A EP22794127A EP4330963A4 EP 4330963 A4 EP4330963 A4 EP 4330963A4 EP 22794127 A EP22794127 A EP 22794127A EP 4330963 A4 EP4330963 A4 EP 4330963A4
- Authority
- EP
- European Patent Office
- Prior art keywords
- channel
- audio signal
- decoded audio
- comfort noise
- noise injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/012—Comfort noise or silence coding
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
- G10L25/21—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being power information
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
- G10L25/84—Detection of presence or absence of voice signals for discriminating voice from noise
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
- H04S7/30—Control circuits for electronic adaptation of the sound field
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/008—Multichannel audio signal coding or decoding using interchannel correlation to reduce redundancy, e.g. joint-stereo, intensity-coding or matrixing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Human Computer Interaction (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Mathematical Physics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Noise Elimination (AREA)
- Stereo-Broadcasting Methods (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US202163181621P | 2021-04-29 | 2021-04-29 | |
| PCT/CA2022/050342 WO2022226627A1 (fr) | 2021-04-29 | 2022-03-09 | Procédé et dispositif d'injection de bruit de confort multicanal dans un signal sonore décodé |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP4330963A1 EP4330963A1 (fr) | 2024-03-06 |
| EP4330963A4 true EP4330963A4 (fr) | 2025-01-15 |
Family
ID=83846469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP22794127.5A Pending EP4330963A4 (fr) | 2021-04-29 | 2022-03-09 | Procédé et dispositif d'injection de bruit de confort multicanal dans un signal sonore décodé |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US12567424B2 (fr) |
| EP (1) | EP4330963A4 (fr) |
| JP (1) | JP2024516669A (fr) |
| KR (1) | KR20240001154A (fr) |
| CN (1) | CN117223054A (fr) |
| CA (1) | CA3215225A1 (fr) |
| WO (1) | WO2022226627A1 (fr) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170047072A1 (en) * | 2014-02-14 | 2017-02-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Comfort noise generation |
| WO2022008470A1 (fr) * | 2020-07-07 | 2022-01-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Génération de bruit de confort pour codage audio spatial multimode |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6757395B1 (en) * | 2000-01-12 | 2004-06-29 | Sonic Innovations, Inc. | Noise reduction apparatus and method |
| US8767974B1 (en) * | 2005-06-15 | 2014-07-01 | Hewlett-Packard Development Company, L.P. | System and method for generating comfort noise |
| CN102063905A (zh) * | 2009-11-13 | 2011-05-18 | 数维科技（北京）有限公司 | 一种用于音频解码的盲噪声填充方法及其装置 |
| KR101613673B1 (ko) * | 2011-02-14 | 2016-04-29 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱 |
| BR112015014212B1 (pt) * | 2012-12-21 | 2021-10-19 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Geração de um ruído de conforto com alta resolução espectro-temporal em transmissão descontínua de sinais de audio |
| JP6335190B2 (ja) * | 2012-12-21 | 2018-05-30 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 低ビットレートで背景ノイズをモデル化するためのコンフォートノイズ付加 |
| CN104050969A (zh) | 2013-03-14 | 2014-09-17 | 杜比实验室特许公司 | 空间舒适噪声 |
| KR102675420B1 (ko) | 2018-04-05 | 2024-06-17 | 텔레호낙티에볼라게트 엘엠 에릭슨(피유비엘) | 컴포트 노이즈 생성 지원 |
| WO2020002448A1 (fr) | 2018-06-28 | 2020-01-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Détermination de paramètre de bruit de confort adaptatif |
-
2022
- 2022-03-09 WO PCT/CA2022/050342 patent/WO2022226627A1/fr not_active Ceased
- 2022-03-09 KR KR1020237037328A patent/KR20240001154A/ko active Pending
- 2022-03-09 CA CA3215225A patent/CA3215225A1/fr active Pending
- 2022-03-09 EP EP22794127.5A patent/EP4330963A4/fr active Pending
- 2022-03-09 US US18/553,783 patent/US12567424B2/en active Active
- 2022-03-09 JP JP2023566674A patent/JP2024516669A/ja active Pending
- 2022-03-09 CN CN202280031702.9A patent/CN117223054A/zh active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170047072A1 (en) * | 2014-02-14 | 2017-02-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Comfort noise generation |
| WO2022008470A1 (fr) * | 2020-07-07 | 2022-01-13 | Telefonaktiebolaget Lm Ericsson (Publ) | Génération de bruit de confort pour codage audio spatial multimode |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2022226627A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4330963A1 (fr) | 2024-03-06 |
| CA3215225A1 (fr) | 2022-11-03 |
| CN117223054A (zh) | 2023-12-12 |
| US12567424B2 (en) | 2026-03-03 |
| JP2024516669A (ja) | 2024-04-16 |
| WO2022226627A1 (fr) | 2022-11-03 |
| KR20240001154A (ko) | 2024-01-03 |
| US20240185865A1 (en) | 2024-06-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20231027 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
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| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| A4 | Supplementary search report drawn up and despatched |
Effective date: 20241217 |
|
| RIC1 | Information provided on ipc code assigned before grant |
Ipc: G10L 25/84 20130101ALI20241211BHEP Ipc: G10L 19/008 20130101ALI20241211BHEP Ipc: G10L 19/012 20130101AFI20241211BHEP |